Revert "Remove Process references from the Host module"

The first fix wasn't enough, there is still a missing
ProcessInstanceInfo include in Host.mm. I won't be able to test a fix
before leaving work, so I am reverting both commits.

This reverts commit r332250 and the subsequent fix attempt.

llvm-svn: 332261

1 files changed, 13 insertions, 3 deletions

diff --git a/lldb/source/Host/common/MonitoringProcessLauncher.cpp b/lldb/source/Host/common/MonitoringProcessLauncher.cpp
index 76c11454f57..efc10004b5f 100644
--- a/lldb/source/Host/common/MonitoringProcessLauncher.cpp
+++ b/lldb/source/Host/common/MonitoringProcessLauncher.cpp
@@ -9,6 +9,7 @@
 
 #include "lldb/Host/MonitoringProcessLauncher.h"
 #include "lldb/Host/HostProcess.h"
+#include "lldb/Target/Process.h"
 #include "lldb/Target/ProcessLaunchInfo.h"
 #include "lldb/Utility/Log.h"
 #include "lldb/Utility/Status.h"
@@ -57,9 +58,18 @@ MonitoringProcessLauncher::LaunchProcess(const ProcessLaunchInfo &launch_info,
   if (process.GetProcessId() != LLDB_INVALID_PROCESS_ID) {
     Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS));
 
-    assert(launch_info.GetMonitorProcessCallback());
-    process.StartMonitoring(launch_info.GetMonitorProcessCallback(),
-                            launch_info.GetMonitorSignals());
+    Host::MonitorChildProcessCallback callback =
+        launch_info.GetMonitorProcessCallback();
+
+    bool monitor_signals = false;
+    if (callback) {
+      // If the ProcessLaunchInfo specified a callback, use that.
+      monitor_signals = launch_info.GetMonitorSignals();
+    } else {
+      callback = Process::SetProcessExitStatus;
+    }
+
+    process.StartMonitoring(callback, monitor_signals);
     if (log)
       log->PutCString("started monitoring child process.");
   } else {